Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an asphalt paving method based on a pit road surface.
The technical scheme adopted by the invention for solving the technical problems is as follows: an asphalt paving method based on a pit pavement comprises the following steps:
s1, firstly, quickly and uniformly sprinkling water on the tamped pavement, and sprinkling the modified emulsified asphalt within one hour after the sprinkling is finished, wherein the dosage of the modified emulsified asphalt is 1.2-1.5kg/m2And the spraying thickness is 1-2 mm;
s2, loading asphalt aggregates in the asphalt paving device, finishing the lifting of the whole trapezoidal shovel box in the asphalt paving device by starting a motor, lifting to a certain height, starting a second hydraulic cylinder, driving the trapezoidal shovel box to turn over and rotate, so that the stack can be poured into an area to be filled, and flattening by a pressure translation moving structure, wherein the distance interval between different asphalt paving devices is 10-20m, and the traveling speed of the asphalt paving device is kept at 5-10 km/h;
s3, compacting the pavement paved with the asphalt aggregate by a road roller for three times, overlapping 1/3 wheel widths in each rolling, ensuring effective compaction width from two sides to one side, and sequentially rolling from the shoulder side to the middle side;
s4, sprinkling water on the asphalt pavement by using a sprinkling truck for cooling, wherein the sprinkling time is three times, the time interval between the second time and the first time is 30min, the time interval between the third time and the second time is 2h, and the road is closed for 3d after the last sprinkling;
the asphalt paving device in the S2 comprises a box body, an odor removing structure, a flattening moving structure and a shoveling structure, wherein the odor removing structure is connected to the box body; the flattening moving structure is connected to the box body; the shoveling structure is connected to the box body and comprises a motor, slide rails, a first clamping plate, a second hydraulic cylinder, strip-shaped slide blocks, a pin shaft, a second clamping plate, a trapezoidal shovel box, a rotating shaft, a connecting rod, a lead screw, a belt pulley and a belt, wherein one outer side surface of the box body is connected with the two slide rails which are arranged in parallel, the slide rails are connected with the strip-shaped slide blocks in a sliding manner, the inner tops of the slide rails are rotatably connected with the lead screw, the bottom ends of the lead screws penetrate through the bottom ends of the slide rails and are connected with the belt pulley, the two belt pulleys are connected through belt transmission, the motor is installed at the top of one slide rail, the output end of the motor is connected with the adjacent lead screw, threaded holes matched with the lead screw are formed in the strip-shaped slide blocks, the trapezoidal shovel box is positioned between the two strip-shaped slide blocks, the outer side surface of the bottom ends of the strip-shaped slide blocks is connected with the connecting rod, the other end of the connecting rod is rotatably connected with one side surface of the bottom of the trapezoidal shovel box through the rotating shaft, and the inclined side wall of the top of the trapezoidal shovel box is connected with the second clamping plate, first splint are connected to the top lateral surface of rectangular slider, and the tail end of second pneumatic cylinder rotates with first splint through the round pin axle to be connected, and the output of second pneumatic cylinder rotates with the second splint through the round pin axle to be connected.
Preferably, remove the peculiar smell structure and include outlet duct, draught fan, funnel cover, otter board active carbon and baffle, the box is close to interior bottom position installation baffle, and the active carbon is placed to the baffle upper surface, and the draught fan is installed to another side bottom of box, and the draught fan import intercommunication funnel cover, the outlet of draught fan pass through outlet duct and box intercommunication, and the otter board is installed at the top of box.
Preferably, the opening of the funnel cover is connected with the mesh cover, the storage battery is mounted at the inner bottom of the box body, and wiring holes are formed in two side faces of the bottom of the box body.
Preferably, the flattening moving structure comprises rollers, a lifting rod, sliding clamping rods, a rotating shaft, a flattening roller, telescopic sleeves and a first hydraulic cylinder, the bottom of the box body is connected with the rollers arranged in four rectangles, a placing groove is formed in the bottom area of the front end surface and the bottom area of the rear end surface of the box body, the first hydraulic cylinder is arranged in the center of the top of the placing groove, the output end of the first hydraulic cylinder is connected with the lifting rod, the side wall of the bottom of the lifting rod is connected with a plurality of sliding clamping rods, the bottom ends of the front sliding clamping rod and the rear sliding clamping rod are aligned to be connected with the flattening roller in a rotating mode through the rotating shaft, the top end of the lifting rod is connected with the inner bottom of the placing groove through the two symmetrically arranged telescopic sleeves, a cam is arranged inside the rollers, and the cam intermittently pushes against the tail part of the scraper, a spring is sleeved on the tail part of the scraper, and one end of the spring is connected with a limiting block arranged on the inner side wall of the roller.
Preferably, first hydraulic system is installed at the interior top of standing groove, and first pneumatic cylinder passes through first hydraulic system control, and second hydraulic system is installed to rectangular slider lateral surface, and the second hydraulic cylinder passes through second hydraulic system control, the box is kept away from slide rail side top and is connected the L shape holding rod that two symmetries set up.
Compared with the related technology, the asphalt paving method based on the pit road surface provided by the invention has the following beneficial effects:
(1) the invention provides a pitch paving method based on a pit groove road surface, which is characterized in that a material shoveling structure is used for moving an area to be leveled, a motor is started to complete the lifting of the whole trapezoidal shovel box to a certain height, a second hydraulic cylinder is started to drive the trapezoidal shovel box to turn over and rotate, so that the accumulation can be poured into the area to be leveled, and then the second hydraulic cylinder is pressed to be flattened by a translation moving structure, so that the material receiving process only needs a person to push the whole box body to complete material feeding, the loading process is convenient, the operation is time-saving and labor-saving, and the working efficiency is improved.
(2) The invention provides a pitch paving method based on a pit groove road surface, which can introduce odor gas in a filling area into a box body through an odor removing structure, reduce the content of the surrounding odor gas through activated carbon adsorption treatment, and enable a flattening moving structure to enable a sliding clamping rod to move upwards so as to drive a flattening rolling shaft to be lifted without contacting with the ground.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a method for paving asphalt on a pit pavement includes the following steps:
s1, firstly, quickly and uniformly sprinkling water on the tamped pavement, and sprinkling the modified emulsified asphalt within one hour after the sprinkling is finished, wherein the dosage of the modified emulsified asphalt is 1.2-1.5kg/m2And the spraying thickness is 1-2 mm;
s2, loading asphalt aggregates in the asphalt paving device, finishing the lifting of the whole trapezoidal shovel box in the asphalt paving device by starting a motor, lifting to a certain height, starting a second hydraulic cylinder, driving the trapezoidal shovel box to turn over and rotate, so that the stack can be poured into an area to be filled, and flattening by a pressure translation moving structure, wherein the distance interval between different asphalt paving devices is 10-20m, and the traveling speed of the asphalt paving device is kept at 5-10 km/h;
s3, compacting the pavement paved with the asphalt aggregate by a road roller for three times, overlapping 1/3 wheel widths in each rolling, ensuring effective compaction width from two sides to one side, and sequentially rolling from the shoulder side to the middle side;
s4, sprinkling water on the asphalt pavement by using a sprinkling truck for cooling, wherein the sprinkling time is three times, the time interval between the second time and the first time is 30min, the time interval between the third time and the second time is 2h, and the road is closed for 3d after the last sprinkling;
wherein, the asphalt paving device described in S2 comprises a box body 1, an odor removing structure 2, a flattening moving structure 3 and a shoveling structure 4, the shoveling structure 4 is connected to the box body 1, the shoveling structure 4 comprises a motor 41, a slide rail 42, a first clamping plate 43, a second hydraulic cylinder 44, a long-strip slider 45, a pin shaft 46, a second clamping plate 47, a trapezoidal shoveling box 48, a rotating shaft 49, a connecting rod 4a, a screw rod 4b, a belt pulley 4c and a belt 4d, two slide rails 42 arranged in parallel are connected to an outer side surface of the box body 1, the long-strip slider 45 is connected inside the slide rail 42 in a sliding manner, the top of the slide rail 42 is rotatably connected with the screw rod 4b, the bottom end of the screw rod 4b penetrates through the bottom end of the slide rail 42 and is connected with the belt pulley 4c, the two belt pulleys 4c are connected through the belt 4d in a transmission manner, the motor 41 is installed at the top of one slide rail 42, the output end of the motor 41 is connected with the adjacent screw rod 4b, a threaded hole matched with the screw rod 4b is arranged inside the long-strip slider 45, the trapezoidal shovel box 48 is positioned between the two elongated sliding blocks 45, the outer side surface of the bottom end of each elongated sliding block 45 is connected with the connecting rod 4a, the other end of each connecting rod 4a is rotatably connected with one side surface of the bottom of the trapezoidal shovel box 48 through a rotating shaft 49, the inclined side wall of the top of the trapezoidal shovel box 48 is connected with the second clamping plate 47, the outer side surface of the top end of each elongated sliding block 45 is connected with the first clamping plate 43, the tail end of the second hydraulic cylinder 44 is rotatably connected with the first clamping plate 43 through a pin shaft 46, the output end of the second hydraulic cylinder 44 is rotatably connected with the second clamping plate 47 through a pin shaft 46, it should be noted that by starting the motor 41, the two belt pulleys 4c are in transmission connection through the belt 4d, so as to drive the two screw rods 4b to synchronously rotate, and further to finish the upward or downward movement of the elongated sliding block 45 in the sliding rail 42, thereby finishing the lifting or descending of the trapezoidal shovel box 48, and descending the whole trapezoidal shovel box 48 until the outer side wall of the bottom of the trapezoidal shovel box 48 is contacted with the ground, thereby gyro wheel 31 promotes whole box 1, make trapezoidal shovel box 48 with prick the pitch contact, insert and prick inside the pitch of piling, make the inside of trapezoidal shovel box 48 is piled up to appropriate amount pitch, through opening two second pneumatic cylinders 44, drive the slight perk of contact ground lateral wall, prevent to pile up pitch and drop, it needs to fill up the flat area to remove, through opening motor 41, accomplish that whole trapezoidal shovel box 48 rises, rise to a take the altitude, open second pneumatic cylinder 44, can drive trapezoidal shovel box 48 upset rotation, thereby can pour into to need fill up the flat area to piling up, rethread translation moving structure 3 flattens, can let the material receiving process only need the people to promote whole box 1 and accomplish the material and feed, the loading process of being convenient for, the operation is laborsaving during the operation, and the work efficiency is improved.
Referring to fig. 2 and 3, the peculiar smell removing structure 2 is connected to the box body 1, the peculiar smell removing structure 2 comprises an air outlet pipe 21, an induced draft fan 22, a funnel cover 23, a screen plate 25, activated carbon 27 and a partition plate 28, the box body 1 is close to the partition plate 28 installed at the inner bottom position, the activated carbon 27 is placed on the upper surface of the partition plate 28, the induced draft fan 22 is installed at the bottom of the other side surface of the box body 1, the inlet of the induced draft fan 22 is communicated with the funnel cover 23, the outlet of the induced draft fan 22 is communicated with the box body 1 through the air outlet pipe 21, the screen plate 25 is installed at the top of the box body 1, and in the process of filling and flattening the asphalt, by opening the induced draft fan 22, the odor gas in the filling area can be introduced into the box body 1, through the adsorption treatment of the activated carbon 27, the content of surrounding odor gas is reduced, the net plate 25 ensures the air circulation inside the box body 1, and the supplement shows that the box body can shield rain through the external plastic film in rainy days.
Referring to fig. 2, the funnel cover 23 is connected with the mesh cover 24 through an opening to prevent dust from being sucked into the box 1, a storage battery 29 is installed at the inner bottom of the box 1, and wiring holes 26 are formed in two side surfaces of the bottom of the box 1, and it should be noted that power can be supplied to the equipment on the box 1 through the storage battery 39, so that the power can be supplied in a portable manner.
Referring to fig. 2, the flattening moving structure 3 is connected to the box body 1, the flattening moving structure 3 includes a roller 31, a lifting rod 32, a sliding clamping rod 33, a rotating shaft 34, a flattening roller 35, a telescopic sleeve 36 and a first hydraulic cylinder 37, the bottom of the box body 1 is connected with the roller 31 arranged in four rectangles, a placing groove 38 is opened in the bottom area of the front end surface and the rear end surface of the box body 1, a first hydraulic cylinder 37 is installed in the placing groove 38 at the center of the top, the lifting rod 32 is connected with the output end of the first hydraulic cylinder 37, the bottom side wall of the lifting rod 32 is connected with a plurality of sliding clamping rods 33, the two sliding clamping rods 33 are aligned front and back, the bottom ends of the flattening roller 35 are rotatably connected with the inner bottom of the placing groove 38 through the rotating shaft 34, the top end of the lifting rod 32 is connected with the inner bottom of the placing groove 38 through the telescopic sleeve 36 symmetrically arranged, a cam 31d is installed inside the roller 31d, and the cam 31d intermittently collides with a scraper 31c, and the tail of the scraper 31c is sleeved with a spring 31a, and one end of the spring 31a is connected with a limiting block 31b arranged on the inner side wall of the roller 31, it should be noted that in the process of turning movement, the sliding clamping rod 33 is moved upwards by opening the two first hydraulic cylinders 37, so as to drive the flattening roller 35 to lift up without contacting with the ground, the roller 31 is used for supporting the turning process, the contact friction force between the flattening roller 35 and the ground in the turning process is reduced, the whole box 1 can be turned more conveniently by lifting without contacting, in the normal flattening process, the two first hydraulic cylinders 37 are opened to drive the flattening roller 35 to be in contact with a flattening area, so as to push the box 1 back and forth for flattening, in the working process, the rotation of the roller 31 drives the cam 31d on the roller 31 to rotate, the rotation of the cam 31d intermittently extrudes the scraper 31c, the squeegee 31c is reciprocated back and forth during operation to change the distance between the squeegee 31c and the platen roller 35, thereby preventing asphalt or the like from adhering to the platen roller 35 during compaction.
First hydraulic system is installed at the interior top of standing groove 38, and first pneumatic cylinder 37 is through first hydraulic system control, and second hydraulic system is installed to rectangular slider 45 lateral surface, and second hydraulic cylinder 44 is through second hydraulic system control, box 1 is kept away from slide rail 42 side top and is connected the L shape holding rod that two symmetries set up, and it needs to explain, holds the mode and more be convenient for people's promotion or pulling operation.
The working principle is as follows: by turning on the motor 41, the two belt pulleys 4c are connected by the belt 4d in a transmission manner, so as to drive the two screw rods 4b to rotate synchronously, thereby completing the upward or downward movement of the strip-shaped slider 45 in the slide rail 42, thereby completing the raising or lowering of the trapezoidal shovel box 48, lowering the whole trapezoidal shovel box 48 until the outer side wall of the bottom of the trapezoidal shovel box 48 contacts with the ground, thereby the roller 31 pushes the whole box body 1, so that the trapezoidal shovel box 48 contacts with the bundled asphalt and is inserted into the bundled asphalt, so that a proper amount of asphalt is stacked in the trapezoidal shovel box 48, by turning on the two second hydraulic cylinders 44, the side wall contacting with the ground is slightly tilted to prevent the stacked asphalt from falling, and by moving the area to be filled, by turning on the motor 41, the whole trapezoidal shovel box 48 is lifted to a certain height, and by turning on the second hydraulic cylinders 44, the trapezoidal shovel box 48 can be driven to turn over and rotate, so that the pile can be poured into the area to be filled.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.